It was truly a "leg-endary" finale for The Real Housewives of New York City Tuesday, as the season ended with a surprising exclamation when an incensed Aviva Drescher removed her artificial leg and tossed it across Le Cirque.

Author Carole Radziwill celebrated her 50th birthday, fittingly enough, with a Midnight in the Garden of Good and Evil party on Tuesday's Real Housewives of New York City, and – in addition to real butterflies, chandeliers, lots of lace, mannequins and snake handlers – there were plenty of other surprises.

"I never celebrated my birthday after my husband died," said Radziwill, who stated she initially wasn't looking forward to celebrating her 50th, "but I feel sexy and empowered and strong."

Although New York's health department nixed the snakes, Heather Thomson, who planned Radziwill's birthday bash, was able to infuse NYC with Southern charm as well as all the dirty secrets from John Berendt's best seller.

"LuAnn's decided she doesn't want to sing. I don't blame her. She's not that great. And guess what? There's no Auto-Tune here," Singer quipped in Tuesday night's episode, after Thomson informed her that the countess would not be performing at the iconic jazz club Birdland.

Singer then told de Lesseps upon her entrance, "I'm upset you're not singing tonight."

On a trip to Montana, the wives tried their manicured hands at a lot of outdoor activities, including fly-fishing, but largely came up empty-handed.

"I had a vision of fish flying out of the water," said Kristen Taekman, while Ramona Singer worried more about the fishy fashion. "The worst part of fly-fishing is the outfit … I look like Humpty Dumpty."

Aviva Drescher held an engagement party for her 76-year-old father, George, at, appropriately enough, the Museum of Sex, after he proposed to his 25-year-old girlfriend, Cody, in last week's episode.

"The Museum of Sex is an obvious choice for my father's engagement party," joked Drescher, before turning serious. "I believe that Cody and my father are truly in love, and while it may be unconventional, I support my father."

Sonja Morgan held a funeral for her dog on Tuesday's Real Housewives of New York City, and although it was a touching tribute, the memorial service was also – in typical Sonja style – a little "ruff" around the edges.

"I'm finally ready to say goodbye to my dog of 18 years," said an emotional Morgan. "I used Millou as a crutch … He was my shadow."

Morgan decided to toss a fancy funeral, asking the wives to wear black dresses and hats, and she even attempted to write her own eulogy, but Siri wouldn't cooperate.